146145648 has 160 divisors (see below), whose sum is σ = 434472192. Its totient is φ = 41932800.

The previous prime is 146145641. The next prime is 146145661. The reversal of 146145648 is 846541641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146145641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 930786 + ... + 930942.

Almost surely, 2^146145648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146145648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217236096).

146145648 is an abundant number, since it is smaller than the sum of its proper divisors (288326544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146145648 is a wasteful number, since it uses less digits than its factorization.

146145648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 257 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 146145648 is about 12089.0714283604. The cubic root of 146145648 is about 526.7387826972.

The spelling of 146145648 in words is "one hundred forty-six million, one hundred forty-five thousand, six hundred forty-eight".